The calculated distance (air line) between Nai Chung and Pok Fu Lam is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Pok Fu Lam is certainly longer, as only the direct route (as the crow flies) between Nai Chung and Pok Fu Lam has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles